22161555

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{881}}^1$

素因数の和:948

約数の個数: 48

約数和(自身を含む): 42378336

約数和(自身を除く): 20216781

約数列:

[1, 3, 5, 9, 13, 15, 39, 43, 45, 65, 117, 129, 195, 215, 387, 559, 585, 645, 881, 1677, 1935, 2643, 2795, 4405, 5031, 7929, 8385, 11453, 13215, 25155, 34359, 37883, 39645, 57265, 103077, 113649, 171795, 189415, 340947, 492479, 515385, 568245, 1477437, 1704735, 2462395, 4432311, 7387185, 22161555]

約数ペア:

[(1, 22161555), (3, 7387185), (5, 4432311), (9, 2462395), (13, 1704735), (15, 1477437), (39, 568245), (43, 515385), (45, 492479), (65, 340947), (117, 189415), (129, 171795), (195, 113649), (215, 103077), (387, 57265), (559, 39645), (585, 37883), (645, 34359), (881, 25155), (1677, 13215), (1935, 11453), (2643, 8385), (2795, 7929), (4405, 5031)]